Compilare: main.cpp: In function 'int factor()': main.cpp:34:15: warning: variable 'val' set but not used [-Wunused-but-set-variable] int sum=0,val=0; ^~~ main.cpp: In function 'int main()': main.cpp:94:14: warning: array subscript has type 'char' [-Wchar-subscripts] ++v[c]; ^ main.cpp:95:12: warning: array subscript has type 'char' [-Wchar-subscripts] v[c]&=1; ^ main.cpp:57:15: warning: unused variable 'r' [-Wunused-variable] long long r,i,cur=0,cnt=0,inmul,imp=2,k=-1; ^ main.cpp:57:19: warning: unused variable 'cur' [-Wunused-variable] long long r,i,cur=0,cnt=0,inmul,imp=2,k=-1; ^~~ main.cpp:57:25: warning: unused variable 'cnt' [-Wunused-variable] long long r,i,cur=0,cnt=0,inmul,imp=2,k=-1; ^~~ main.cpp:57:31: warning: unused variable 'inmul' [-Wunused-variable] long long r,i,cur=0,cnt=0,inmul,imp=2,k=-1; ^~~~~ main.cpp:57:37: warning: unused variable 'imp' [-Wunused-variable] long long r,i,cur=0,cnt=0,inmul,imp=2,k=-1; ^~~